Check the temp environment variable.
It doesnt matter how many times you restart the email client.
This stubborn error wont go away unless you point the Cache string to a valid directory.
Lets see how you’re able to do that.
However, if it persists, try updating and repairing your Office files.
Keep in mind that Outlook is part of the Office Suite.
Any file corruption issues affecting Office may also affect Outlook.
Update Office
Launch Outlook, go toFileand selectOptions.
Then click onUpdate Optionsand hit theUpdate Nowbutton to load the latest Office updates.
Relaunch Outlook and look to see if the app can create the necessary work file now.
Repair Office
If the error persists, repair your Office files.
